Activities Antioxide Extract Leather Leather (Pithecellobium Jiringa) with Three Different Levels of Pollars

Alfin Surya
Journal article Jurnal Rekayasa Sistem Industri • December 2017

Abstract

This study aims to determine the antioxidant activity based on different types of solvent in Pithecellobium jiringa extract (jengkol skin), with maceration time for 24 hours. This research used DPPH method to produce IC50 as follows: for Hexan solvent = 2688,0460 mg/mL, Ethyl acetate solvent 1279,2719 mg/mL while methanol equal to 51,1387 mg/mL

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Jurnal Rekayasa Sistem Industri

Jurnal Rekayasa Sistem Industri (JRSI) terbit sebanyak dua kali dalam satu tahun (Mei dan Novembe... see more